I am looking at this test case run-pass/issue-511:
fn f<T>(&o: option<T>) { assert o == option::none; }
fn main() { f::<int>(option::none); }
Is this really supposed to pass? The bug (#511) suggests it is, but I
guess the language has migrated some since then. In any case, if it is
intended to be legal, what is the meaning of passing a global constant
(option::none) by mutable reference?
Also, in that case, we are not fully consistent. For example, this is
not permitted:
fn foo(&i: int) {}
fn main() { foo(3); }
Niko
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